package com.cqx.collectionMysql.util;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.time.format.DateTimeFormatter;
import java.util.*;

/**
 * @类描述：时间工具类
 * @创建人：chengp
 */
public class DateUtil {
    public static SimpleDateFormat sdfBegin = new SimpleDateFormat("yyyy-MM-dd 00:00:00");
    public static String pattern="yyyy-MM-dd";
    public static SimpleDateFormat formatter = new SimpleDateFormat(pattern);
    public static SimpleDateFormat formatter2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    public static DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern);
    public static DateTimeFormatter getDateTimeFormatter(){
        return dateFormatter;
    }
    public static final String YYYY = "yyyy";
    public static final String YYYYMMDD = "yyyy-MM-dd";
    public static final String YYYYMMDD2 = "yyyy.MM.dd";
    public static final String YYYYMMDDHHMMSS = "yyyy-MM-dd HH:mm:ss";
    public static final String YYYYMMDDHHMM = "yyyy-MM-dd HH:mm";
    public static final String YYYYMMDDHHMMNew = "yyyy年MM月dd日  HH时mm分";
    public static final String YYYYMM = "yyyy-MM";
    public static final String YYYYMMDDHHMMss = "yyyyMMddHHmmss";
    public static final String YYYYMMDDHHMM2 = "yyyyMMddHHmm";

    /**
     * 获取现在时间
     *
     * @return 返回时间类型 yyyy-MM-dd HH:mm:ss
     */
    public static Date getNowDate() {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(new Date());
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取现在时间
     *
     * @return返回短时间格式 yyyy-MM-dd
     */
    public static Date getNowDateShort() {
        String dateString = formatter.format(new Date());
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取现在时间
     *
     * @return返回字符串格式 yyyy-MM-dd HH:mm:ss
     */
    public static String getStringDate() {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(new Date());
        return dateString;
    }
    /**
     * 获取现在时间
     * @return返回字符串格式 yyyyMMddHHmmss
     */
    public static String getStringAllDate() {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
        String dateString = formatter.format(new Date());
        return dateString;
    }
    /**
     * 获取现在时间
     *
     * @return 返回短时间字符串格式yyyy-MM-dd
     */
    public static String getStringDateShort() {
        String dateString = formatter.format( new Date());
        return dateString;
    }

    /**
     * 获取时间 小时:分;秒 HH:mm:ss
     *
     * @return
     */
    public static String getTimeShort() {
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
        String dateString = formatter.format(new Date());
        return dateString;
    }

    /**
     * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss
     *
     * @param strDate
     * @return
     */
    public static Date strToDateLong(String strDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(strDate, pos);
        return strtodate;
    }

    /**
     * 前/后?天
     *
     * @param d
     * @param day
     * @return
     */
    public static Date rollDay(Date d, int day) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(d);
        cal.add(Calendar.DAY_OF_MONTH, day);
        return cal.getTime();
    }

    public static void main(String[] args){
        System.out.println(DateUtil.rollDay(DateUtil.stringToDate("2021-10-12 00:00:00",DateUtil.YYYYMMDDHHMMSS),15));
    }

    /**
     * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss
     *
     * @param dateDate
     * @return
     */
    public static String dateToStrLong(Date dateDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式时间转换为字符串 yyyy-MM-dd
     *
     * @param dateDate
     * @return
     */
    public static String dateToStr(Date dateDate) {
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    public static String dateToStr(java.time.LocalDate dateDate) {
        String dateString = dateFormatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式字符串转换为时间 yyyy-MM-dd
     *
     * @param strDate
     * @return
     */
    public static Date strToDate(String strDate) {
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(strDate, pos);
        return strtodate;
    }

    /**
     * 得到现在时间
     *
     * @return
     */
    public static Date getNow() {
        Date currentTime = new Date();
        return currentTime;
    }

    /**
     * 提取一个月中的最后一天
     *
     * @param day
     * @return
     */
    public static Date getLastDate(long day) {
        Date date = new Date();
        long date_3_hm = date.getTime() - 3600000 * 34 * day;
        Date date_3_hm_date = new Date(date_3_hm);
        return date_3_hm_date;
    }


    /**
     * 得到现在时间
     *
     * @return 字符串 yyyyMMdd HHmmss
     */
    public static String getStringToday() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    /**
     *
     * 功能：<br/>
     *
     * @author Tony
     * @version 2016年12月16日 下午4:41:51 <br/>
     */
    public static String getTodayShort() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    /**
     *
     * @Description: 输入一个整数类型的字符串,然后转换成时分秒的形式输出
     *    例如：输入568
     *          返回结果为：00:09:28
     *          输入null或者“”
     *          返回结果为:00:00:00
     * @param @param value
     * @param @return
     * @return String
     * @throws
     * @author Tony 鬼手卡卡
     * @date 2016-4-20
     */
    public static String getHHMMSS(String value){
        String hour="00";
        String minute="00";
        String second="00";
        if(value!=null&&!value.trim().equals("")){
            int v_int=Integer.valueOf(value);
            hour=v_int/3600+"";//获得小时;
            minute=v_int%3600/60+"";//获得小时;
            second=v_int%3600%60+"";//获得小时;
        }
        return (hour.length()>1?hour:"0"+hour)+":"+(minute.length()>1?minute:"0"+minute)+":"+(second.length()>1?second:"0"+second);
    }
    /**
     * 得到现在小时
     */
    public static String getHour() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String hour;
        hour = dateString.substring(11, 13);
        return hour;
    }

    /**
     * 得到现在分钟
     *
     * @return
     */
    public static String getTime() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String min;
        min = dateString.substring(14, 16);
        return min;
    }

    /**
     * 根据用户传入的时间表示格式，返回当前时间的格式 如果是yyyyMMdd，注意字母y不能大写。
     *
     * @param sformat
     *            yyyyMMddhhmmss
     * @return
     */
    public static String getUserDate(String sformat) {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat(sformat);
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式，返回字符型的分钟
     */
    public static String getTwoHour(String st1, String st2) {
        String[] kk = null;
        String[] jj = null;
        kk = st1.split(":");
        jj = st2.split(":");
        if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))
            return "0";
        else {
            double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1]) / 60;
            double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1]) / 60;
            if ((y - u) > 0)
                return y - u + "";
            else
                return "0";
        }
    }

    /**
     * 得到二个日期间的间隔天数
     */
    public static String getTwoDay(String sj1, String sj2) {
        long day = 0;
        try {
            Date date = formatter.parse(sj1);
            Date mydate = formatter.parse(sj2);
            day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        } catch (Exception e) {
            return "";
        }
        return day + "";
    }

    /**
     * 时间前推或后推分钟,其中JJ表示分钟.
     */
    public static String getPreTime(String sj1, String jj) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String mydate1 = "";
        try {
            Date date1 = format.parse(sj1);
            long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;
            date1.setTime(Time * 1000);
            mydate1 = format.format(date1);
        } catch (Exception e) {
        }
        return mydate1;
    }

    /**
     * 得到一个时间延后或前移几天的时间,nowdate(yyyy-mm-dd)为时间,delay为前移或后延的天数
     */
    public static String getNextDay(String nowdate, String delay) {
        try{
            String mdate = "";
            Date d = strToDate(nowdate);
            long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;
            d.setTime(myTime * 1000);
            mdate = formatter.format(d);
            return mdate;
        }catch(Exception e){
            return "";
        }
    }
    /**
     *
     * 功能：<br/> 距离现在几天的时间是多少
     * 获得一个时间字符串，格式为：yyyy-MM-dd HH:mm:ss
     * day  如果为整数，表示未来时间
     *      如果为负数，表示过去时间
     * @author Tony
     * @version 2016年11月29日 上午11:02:56 <br/>
     */
    public static String getFromNow(int day) {
        Date date = new Date();
        long dateTime = (date.getTime() / 1000) + day * 24 * 60 * 60;
        date.setTime(dateTime * 1000);
        return formatter2.format(date);
    }
    /**
     * 判断是否润年
     *
     * @param ddate
     * @return
     */
    public static boolean isLeapYear(String ddate) {

        /**
         * 详细设计： 1.被400整除是闰年，否则： 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年
         * 3.能被4整除同时能被100整除则不是闰年
         */
        Date d = strToDate(ddate);
        GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
        gc.setTime(d);
        int year = gc.get(Calendar.YEAR);
        if ((year % 400) == 0)
            return true;
        else if ((year % 4) == 0) {
            if ((year % 100) == 0)
                return false;
            else
                return true;
        } else
            return false;
    }

    /**
     * 返回美国时间格式 26 Apr 2006
     *
     * @param str
     * @return
     */
    public static String getEDate(String str) {
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(str, pos);
        String j = strtodate.toString();
        String[] k = j.split(" ");
        return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);
    }

    /**
     * 获取一个月的最后一天
     *
     * @param dat
     * @return
     */
    public static String getEndDateOfMonth(String dat) {// yyyy-MM-dd
        String str = dat.substring(0, 8);
        String month = dat.substring(5, 7);
        int mon = Integer.parseInt(month);
        if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8 || mon == 10 || mon == 12) {
            str += "31";
        } else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {
            str += "30";
        } else {
            if (isLeapYear(dat)) {
                str += "29";
            } else {
                str += "28";
            }
        }
        return str;
    }

    /**
     * 判断二个时间是否在同一个周
     *
     * @param date1
     * @param date2
     * @return
     */
    public static boolean isSameWeekDates(Date date1, Date date2) {
        Calendar cal1 = Calendar.getInstance();
        Calendar cal2 = Calendar.getInstance();
        cal1.setTime(date1);
        cal2.setTime(date2);
        int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);
        if (0 == subYear) {
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        } else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {
            // 如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        } else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        }
        return false;
    }

    /**
     * 产生周序列,即得到当前时间所在的年度是第几周
     *
     * @return
     */
    public static String getSeqWeek() {
        Calendar c = Calendar.getInstance(Locale.CHINA);
        String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));
        if (week.length() == 1)
            week = "0" + week;
        String year = Integer.toString(c.get(Calendar.YEAR));
        return year + week;
    }

    /**
     * 获得一个日期所在的周的星期几的日期，如要找出2002年2月3日所在周的星期一是几号
     *
     * @param sdate
     * @param num
     * @return
     */
    public static String getWeek(String sdate, String num) {
        // 再转换为时间
        Date dd = DateUtil.strToDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(dd);
        if (num.equals("1")) // 返回星期一所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        else if (num.equals("2")) // 返回星期二所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
        else if (num.equals("3")) // 返回星期三所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
        else if (num.equals("4")) // 返回星期四所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
        else if (num.equals("5")) // 返回星期五所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
        else if (num.equals("6")) // 返回星期六所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
        else if (num.equals("0")) // 返回星期日所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
        return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());
    }

    /**
     * 根据一个日期，返回是星期几的字符串
     *
     * @param sdate
     * @return
     */
    public static String getWeek(String sdate) {
        // 再转换为时间
        Date date = DateUtil.strToDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        // int hour=c.get(Calendar.DAY_OF_WEEK);
        // hour中存的就是星期几了，其范围 1~7
        // 1=星期日 7=星期六，其他类推
        return new SimpleDateFormat("EEEE").format(c.getTime());
    }
    public static String getWeekStr(String sdate){
        String str = "";
        str = DateUtil.getWeek(sdate);
        if("1".equals(str)){
            str = "星期日";
        }else if("2".equals(str)){
            str = "星期一";
        }else if("3".equals(str)){
            str = "星期二";
        }else if("4".equals(str)){
            str = "星期三";
        }else if("5".equals(str)){
            str = "星期四";
        }else if("6".equals(str)){
            str = "星期五";
        }else if("7".equals(str)){
            str = "星期六";
        }
        return str;
    }

    /**
     * 两个时间之间的天数
     *
     * @param date1
     * @param date2
     * @return
     */
    public static long getDays(String date1, String date2) {
        if (date1 == null || date1.equals(""))
            return 0;
        if (date2 == null || date2.equals(""))
            return 0;
        // 转换为标准时间
        Date date = null;
        Date mydate = null;
        try {
            date = formatter.parse(date1);
            mydate = formatter.parse(date2);
        } catch (Exception e) {
        }
        long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        return day;
    }

    /**
     * 形成如下的日历 ， 根据传入的一个时间返回一个结构 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是当月的各个时间
     * 此函数返回该日历第一行星期日所在的日期
     *
     * @param sdate
     * @return
     */
    public static String getNowMonth(String sdate) {
        // 取该时间所在月的一号
        sdate = sdate.substring(0, 8) + "01";

        // 得到这个月的1号是星期几
        Date date = DateUtil.strToDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        int u = c.get(Calendar.DAY_OF_WEEK);
        String newday = DateUtil.getNextDay(sdate, (1 - u) + "");
        return newday;
    }

    /**
     * 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数
     *
     * @param k
     *            表示是取几位随机数，可以自己定
     */

    public static String getNo(int k) {

        return getUserDate("yyyyMMddhhmmss") + getRandom(k);
    }

    /**
     * 返回一个随机数
     *
     * @param i
     * @return
     */
    public static String getRandom(int i) {
        Random jjj = new Random();
        // int suiJiShu = jjj.nextInt(9);
        if (i == 0)
            return "";
        String jj = "";
        for (int k = 0; k < i; k++) {
            jj = jj + jjj.nextInt(9);
        }
        return jj;
    }

    /**
     *
     */
    public static boolean RightDate(String date) {

        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        ;
        if (date == null)
            return false;
        if (date.length() > 10) {
            sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        } else {
            sdf = new SimpleDateFormat("yyyy-MM-dd");
        }
        try {
            sdf.parse(date);
        } catch (ParseException pe) {
            return false;
        }
        return true;
    }

    /***************************************************************************
     * //nd=1表示返回的值中包含年度 //yf=1表示返回的值中包含月份 //rq=1表示返回的值中包含日期 //format表示返回的格式 1
     * 以年月日中文返回 2 以横线-返回 // 3 以斜线/返回 4 以缩写不带其它符号形式返回 // 5 以点号.返回
     **************************************************************************/
    public static String getStringDateMonth(String sdate, String nd, String yf, String rq, String format) {
        Date currentTime = new Date();
        String dateString = formatter.format(currentTime);
        String s_nd = dateString.substring(0, 4); // 年份
        String s_yf = dateString.substring(5, 7); // 月份
        String s_rq = dateString.substring(8, 10); // 日期
        String sreturn = "";
        //roc.util.MyChar mc = new roc.util.MyChar();
        //if (sdate == null || sdate.equals("") || !mc.Isdate(sdate)) { // 处理空值情况
        if (sdate == null || sdate.equals("")){
            if (nd.equals("1")) {
                sreturn = s_nd;
                // 处理间隔符
                if (format.equals("1"))
                    sreturn = sreturn + "年";
                else if (format.equals("2"))
                    sreturn = sreturn + "-";
                else if (format.equals("3"))
                    sreturn = sreturn + "/";
                else if (format.equals("5"))
                    sreturn = sreturn + ".";
            }
            // 处理月份
            if (yf.equals("1")) {
                sreturn = sreturn + s_yf;
                if (format.equals("1"))
                    sreturn = sreturn + "月";
                else if (format.equals("2"))
                    sreturn = sreturn + "-";
                else if (format.equals("3"))
                    sreturn = sreturn + "/";
                else if (format.equals("5"))
                    sreturn = sreturn + ".";
            }
            // 处理日期
            if (rq.equals("1")) {
                sreturn = sreturn + s_rq;
                if (format.equals("1"))
                    sreturn = sreturn + "日";
            }
        } else {
            // 不是空值，也是一个合法的日期值，则先将其转换为标准的时间格式
            sdate = getOKDate(sdate);
            s_nd = sdate.substring(0, 4); // 年份
            s_yf = sdate.substring(5, 7); // 月份
            s_rq = sdate.substring(8, 10); // 日期
            if (nd.equals("1")) {
                sreturn = s_nd;
                // 处理间隔符
                if (format.equals("1"))
                    sreturn = sreturn + "年";
                else if (format.equals("2"))
                    sreturn = sreturn + "-";
                else if (format.equals("3"))
                    sreturn = sreturn + "/";
                else if (format.equals("5"))
                    sreturn = sreturn + ".";
            }
            // 处理月份
            if (yf.equals("1")) {
                sreturn = sreturn + s_yf;
                if (format.equals("1"))
                    sreturn = sreturn + "月";
                else if (format.equals("2"))
                    sreturn = sreturn + "-";
                else if (format.equals("3"))
                    sreturn = sreturn + "/";
                else if (format.equals("5"))
                    sreturn = sreturn + ".";
            }
            // 处理日期
            if (rq.equals("1")) {
                sreturn = sreturn + s_rq;
                if (format.equals("1"))
                    sreturn = sreturn + "日";
            }
        }
        return sreturn;
    }

    public static String getNextMonthDay(String sdate, int m) {
        sdate = getOKDate(sdate);
        int year = Integer.parseInt(sdate.substring(0, 4));
        int month = Integer.parseInt(sdate.substring(5, 7));
        month = month + m;
        if (month < 0) {
            month = month + 12;
            year = year - 1;
        } else if (month > 12) {
            month = month - 12;
            year = year + 1;
        }
        String smonth = "";
        if (month < 10)
            smonth = "0" + month;
        else
            smonth = "" + month;
        return year + "-" + smonth + "-10";
    }

    /**
     *
     * 功能：<br/>
     *
     * @author Tony
     * @version 2015-3-31 上午09:29:31 <br/>
     */
    public static String getOKDate(String sdate) {
        if (sdate == null || sdate.equals(""))
            return getStringDateShort();

//    if (!VeStr.Isdate(sdate)) {
//     sdate = getStringDateShort();
//    }
//    // 将“/”转换为“-”
//    sdate = VeStr.Replace(sdate, "/", "-");
        // 如果只有8位长度，则要进行转换
        if (sdate.length() == 8)
            sdate = sdate.substring(0, 4) + "-" + sdate.substring(4, 6) + "-" + sdate.substring(6, 8);
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(sdate, pos);
        String dateString = formatter.format(strtodate);
        return dateString;
    }
    /**
     * 获取当前时间的前一天时间
     * @param cl
     * @return
     */
    private static String getBeforeDay(Calendar cl){
        //使用roll方法进行向前回滚
        //cl.roll(Calendar.DATE, -1);
        //使用set方法直接进行设置
        // int day = cl.get(Calendar.DATE);
        cl.add(Calendar.DATE, -1);
        return formatter.format(cl.getTime());
    }

    /**
     * 获取当前时间的后一天时间
     * @param cl
     * @return
     */
    private static String getAfterDay(Calendar cl){
        //使用roll方法进行回滚到后一天的时间
        //cl.roll(Calendar.DATE, 1);
        //使用set方法直接设置时间值
        //int day = cl.get(Calendar.DATE);
        cl.add(Calendar.DATE, 1);
        return formatter.format(cl.getTime());
    }

    private static String getDateAMPM(){
        GregorianCalendar ca = new GregorianCalendar();
        //结果为“0”是上午     结果为“1”是下午
        int i=ca.get(GregorianCalendar.AM_PM);
        return i==0?"AM":"PM";
    }
    private static int compareToDate(String date1,String date2){
        return date1.compareTo(date2);
    }
    private static int compareToDateString(String date1,String date2){
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        int i=0;
        try {
            long ldate1=formatter.parse(date1).getTime();
            long ldate2=formatter.parse(date2).getTime();
            if(ldate1>ldate2){
                i=1;
            }else if(ldate1==ldate2){
                i=0;
            }else{
                i=-1;
            }

        } catch (ParseException e) {
            e.printStackTrace();
        }
        return i;
    }

    public static String[] getFiveDate(){
        String[] dates=new String[2];
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());
        String five=" 05:00:00";

        if(getDateAMPM().equals("AM")&&compareToDateString(getStringDate(),getStringDateShort()+five)==-1){
            dates[0]=getBeforeDay(calendar)+five;
            dates[1]=getStringDateShort()+five;
        }else{
            dates[0]=getStringDateShort()+five;
            dates[1]=getAfterDay(calendar)+five;
        }

        return dates;
    }
    public static String getFiveDate2(){
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        calendar.setTime(new Date());
        String five=" 05:00:00";
        String reStr="";
        if(getDateAMPM().equals("AM")&&compareToDateString(getStringDate(),getStringDateShort()+five)==-1){
            reStr=getBeforeDay(calendar);
        }else{
            reStr=getStringDateShort();
        }
        return reStr;
    }

    /**
     * 取得距当前时间一周的时间 开始
     *
     * @return
     */
    public static String getWeekBeginTime() {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date(System.currentTimeMillis());
        calendar.setTime(date);
        calendar.add(Calendar.WEEK_OF_MONTH, -1);
        date = calendar.getTime();
        sdfBegin.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        return sdfBegin.format(date);
    }

    /**
     * 字符串转日期
     *
     * @param str 日期字符串
     * @param fmt 日期格式,在DateUtil中有定义静态常量
     * @return 报错则返回null
     */
    public static Date stringToDate(String str, String fmt) {
        try {
            //后期要改成SimpleDateFormat,传入格式字符串
            SimpleDateFormat sdf = new SimpleDateFormat(fmt); //用这种方法，则转换的日期格式必须相同
            sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
            Date date = sdf.parse(str);
            return date;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 字符串转日期再转Long
     *
     * @param operateTime 日期字符串
     * @param format      日期格式,在DateUtil中有定义静态常量
     * @return Long
     * @throws Exception
     */
    public static Long stringToTimeStamp(String operateTime, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        try {
            Date date = sdf.parse(operateTime);
            return date.getTime();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 判断一个日期字符串是不是yyyy-MM-dd HH:mm:ss格式
     *
     * @param str 日期字符串
     * @return true=是，反之false
     */
    public static boolean judgeDate(String str) {
        try {
            if (str.equals(getFormatDate(stringToDate(str, YYYYMMDDHHMMSS), YYYYMMDDHHMMSS))) {
                return true;
            } else {
                return false;
            }
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * 日期转字符串
     *
     * @param date 日期
     * @param fmt  日期格式,在DateUtil中有定义静态常量
     * @return 报错则返回null
     */
    public static String getFormatDate(Date date, String fmt) {
        try {
            SimpleDateFormat sdf = new SimpleDateFormat(fmt);
            sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
            String str = sdf.format(date);
            return str;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 计算两个日期相差的时间（x天y小时z分钟）
     *
     * @param xiao 小的日期
     * @param da   大的日期
     * @return x天y小时z分钟
     */
    public static String getDiscrepancy_tian_shi_fen(Date xiao, Date da) {
        String str = "";
        long between = (da.getTime() - xiao.getTime()) / 1000;//除以1000是为了转换成秒
        long fen = between / 60;//分钟
        long shi = fen / 60;//小时
        long tian = shi / 24;//天数
        if (tian > 0) {
            str += tian + "天";
            if (shi % 24 != 0) {
                str += shi % 24 + "小时";
            }
            if (fen % 60 != 0) {
                str += fen % 60 + "分钟";
            }
        } else if (shi > 0) {
            str += shi + "小时";
            if (fen % 60 != 0) {
                str += fen % 60 + "分钟";
            }
        } else if (fen > 0) {
            str += fen + "分钟";
        } else {
            str += between + "秒钟";
        }
        return str;
    }

    /**
     * 对日期进行增减操作
     *
     * @param date   日期对象
     * @param number 天数
     * @return 报错则返回null
     */
    public static Date addSubtractDate(Date date, int number) {
        try {
            Calendar cd = Calendar.getInstance();
            cd.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
            cd.setTime(date);
            cd.add(Calendar.DATE, number);//增减天数（可以是负数）
            return cd.getTime();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 比较时间大小
     *
     * @param date1 日期1
     * @param date2 日期2
     * @return 布尔值(日期1 > 日期2 = true, 反之为false)
     */
    public static boolean compareDate(Date date1, Date date2) {
        if (date1.getTime() > date2.getTime()) {
            return true;
        } else {//小于等于
            return false;
        }
    }

    /**
     * 把Long转换成Date，再从Date转换成String
     *
     * @param dateTime 日期毫秒数
     * @param format   日期格式,在DateUtil中有定义静态常量
     * @return String
     */
    public static String longSwitchString(Long dateTime, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date(dateTime);
        return sdf.format(date);
    }

    public static String longSwitchString(long dateTime, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date(dateTime);
        return sdf.format(date);
    }

    /**
     * 把Long转换成Date
     *
     * @param dateTime 日期毫秒数
     * @param format   日期格式,在DateUtil中有定义静态常量
     * @return Date
     */
    public static Date longSwitch(Long dateTime, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date(dateTime);
        return date;
    }

    public static Date longSwitch(long dateTime, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date(dateTime);
        return date;
    }

    /**
     * 获取今年的年份数
     *
     * @return Integer
     */
    public static Integer year() {
        return Integer.parseInt(getFormatDate(new Date(), YYYYMMDD).split("-")[0]);
    }

    /**
     * 获取今天所属的季度
     *
     * @return
     */
    public static String quarter() {
        int quarter = Integer.parseInt(getFormatDate(new Date(), YYYYMMDD).split("-")[1]);
        if (quarter <= 3) {
            return "春季";
        } else if (quarter > 3 && quarter <= 6) {
            return "夏季";
        } else if (quarter > 6 && quarter <= 9) {
            return "秋季";
        } else {
            return "冬季";
        }
    }

    /**
     * 获取今天所属的月数
     *
     * @return
     */
    public static Integer month() {
        return Integer.parseInt(getFormatDate(new Date(), YYYYMMDD).split("-")[1]);
    }

    /**
     * 获取今天是今年的第几周(万年历)
     *
     * @return Integer
     */
    public static Integer week1() {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        calendar.setFirstDayOfWeek(Calendar.MONDAY);
        calendar.setTime(new Date());
        return calendar.get(Calendar.WEEK_OF_YEAR);
    }

    /**
     * 获取今天是今年的第几周(比万年历少一周【 非万年历】)
     *
     * @return Integer
     */
    public static Integer week2() {
        Calendar c = new GregorianCalendar();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setMinimalDaysInFirstWeek(7);
        c.setTime(new Date());
        return c.get(Calendar.WEEK_OF_YEAR);
    }

    /**
     * 获取今天是这周的第几天(通用)
     *
     * @return Integer
     */
    public static Integer day() {
        long whichDay = new Date().getDay();
        return (int) whichDay;
    }

    /**
     * 获取指定时间所在年的周数(比万年历少一周【 非万年历】)
     *
     * @param date 时间
     * @return Integer
     */
    public static Integer getWeekOfYear(Date date) {
        Calendar c = new GregorianCalendar();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setMinimalDaysInFirstWeek(7);
        c.setTime(date);
        return c.get(Calendar.WEEK_OF_YEAR);
    }

    /**
     * 获取指定年的最大周数(没测过，应该是通用的吧？)
     *
     * @param year 年
     * @return Integer
     */
    public static Integer getMaxWeekNumOfYear(int year) {
        Calendar c = new GregorianCalendar();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
        return getWeekOfYear(c.getTime());
    }

    /**
     * 根据年、周、周几 获取该天的时间(比万年历少一周【 非万年历】)
     *
     * @param year       年
     * @param weekNo     周
     * @param weekDayNum 周几(为null时默认为周一0时0分0秒)
     * @return String(返回值格式示例：2017-1-2 00:00:00)
     */
    public static String getDayOfWeekNoAndWeekDayNum(Integer year, Integer weekNo, Integer weekDayNum) {
        Calendar cal = getCalendarFormYear(year);
        cal.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal.set(Calendar.WEEK_OF_YEAR, weekNo);
        if (weekDayNum != null) {
            cal.add(Calendar.DAY_OF_WEEK, weekDayNum - 1 < 0 ? 0 : weekDayNum - 1);
        }
        return cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) + "-" + cal.get(Calendar.DAY_OF_MONTH)
                + " 00:00:00";
    }

    /**
     * 根据年、月获取当月有多少天
     *
     * @param year  年
     * @param month 月
     * @return Integer
     */
    public static Integer getDayNumberByYearAndMonth(Integer year, Integer month) {
        Calendar a = Calendar.getInstance();
        a.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        a.set(Calendar.YEAR, year);
        a.set(Calendar.MONTH, month - 1);
        a.set(Calendar.DATE, 1);// 把日期设置为当月第一天
        a.roll(Calendar.DATE, -1);// 日期回滚一天，也就是最后一天
        int maxDate = a.get(Calendar.DATE);
        return maxDate;
    }

    /**
     * 根据年、月获取 [ 指定年月 ] 的起始时间(例如：2017-01-01 00:00:00)
     *
     * @param year  年
     * @param month 月(为null时只计算年，始终是1月1日)
     * @return Long
     */
    public static Long yearMonth_start(Integer year, Integer month) {
        String data = "01";
        if (month != null) {
            data = month < 10 ? "0" + month : String.valueOf(month);
        }
        return stringToDate(year + "-" + data + "-" + "01", YYYYMMDD).getTime();
    }

    /**
     * 根据年、月获取 [ 指定年月 ] 的结束时间(例如：2017-01-31 23:59:59)
     *
     * @param year  年
     * @param month 月(为null时只计算年，始终是12月最后一日)
     * @return Long
     */
    public static Long yearMonth_end(Integer year, Integer month) {
        String data = "";
        if (month != null) {
            data = getLastDayOfMonth(year, month);
        } else {
            data = getLastDayOfMonth(year, 12);
        }
        return stringToDate(data + " 23:59:59", YYYYMMDDHHMMSS).getTime();
    }

    /**
     * 根据年、周、周几获取 [ 指定年周天 ] 起始时间(例如：2017-01-02 00:00:00)(比万年历少一周【 非万年历】)
     *
     * @param year 年
     * @param week 周(为null时只计算年)
     * @param day  周几(为null时只计算年、周，始终是周一)
     * @return Long
     */
    public static Long yearWeekDay_start(Integer year, Integer week, Integer day) {
        String data = year + "-01-01";
        if (week != null) {
            data = getDayOfWeekNoAndWeekDayNum(year, week, day);
        }
        return stringToDate(data, YYYYMMDD).getTime();
    }

    /**
     * 根据年、周、周几获取 [ 指定年周天 ] 结束时间(例如：2017-01-08 23:59:59)(比万年历少一周【 非万年历】)
     *
     * @param year 年
     * @param week 周(为null时只计算年)
     * @param day  周几(为null时只计算年、周，始终是周七)
     * @return Long
     */
    public static Long yearWeekDay_end(Integer year, Integer week, Integer day) {
        String data = "";
        if (week != null) {
            data = getDayOfWeekNoAndWeekDayNum(year, week, day);
            if (day == null) {
                data = getFormatDate(addSubtractDate(stringToDate(data, YYYYMMDDHHMMSS), 6), YYYYMMDDHHMMSS);
            }
            data = data.split(" ")[0] + " 23:59:59";
        } else {
            data = getLastDayOfMonth(year, 12) + " 23:59:59";
        }
        return stringToDate(data, YYYYMMDDHHMMSS).getTime();
    }


    private static Calendar getCalendarFormYear(int year) {
        Calendar cal = Calendar.getInstance();
        cal.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        cal.set(Calendar.YEAR, year);
        return cal;
    }

    private static String getLastDayOfMonth(int year, int month) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month - 1);
        calendar.set(Calendar.DATE, 1);
        calendar.add(Calendar.MONTH, 1);
        calendar.add(Calendar.DAY_OF_YEAR, -1);
        return calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) + "-"
                + calendar.get(Calendar.DAY_OF_MONTH);
    }

    /**
     * date2比date1多的天数
     *
     * @param date1
     * @param date2
     * @return
     */
    public static int differentDays(Date date1, Date date2) {
        Calendar cal1 = Calendar.getInstance();
        cal1.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal1.setTime(date1);

        Calendar cal2 = Calendar.getInstance();
        cal2.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal2.setTime(date2);
        int day1 = cal1.get(Calendar.DAY_OF_YEAR);
        int day2 = cal2.get(Calendar.DAY_OF_YEAR);

        int year1 = cal1.get(Calendar.YEAR);
        int year2 = cal2.get(Calendar.YEAR);
        if (year1 != year2)   //同一年
        {
            int timeDistance = 0;
            for (int i = year1; i < year2; i++) {
                if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0)    //闰年
                {
                    timeDistance += 366;
                } else    //不是闰年
                {
                    timeDistance += 365;
                }
            }

            return timeDistance + (day2 - day1);
        } else    //不同年
        {
            return day2 - day1;
        }
    }

    /**
     * 获取当前时间的前后数据：前一天 i=-1,当前时间 i=0;后一天 i=1;
     *
     * @param i
     * @return
     */
    public static String acquisitionTime(int i) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Date date = new Date();
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, i);
        date = calendar.getTime();
        return sdf.format(date);
    }

    /**
     * 获取某个时间的前一天日期 前一天 i=-1,当前时间 i=0;后一天 i=1;
     *
     * @param i
     * @return
     */
    public static String getDayBeforeTime(int i, Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, i);
        date = calendar.getTime();
        return sdf.format(date);
    }





    /**
     * 判断当前日期是星期几
     *
     * @param pTime 修要判断的时间
     * @return dayForWeek 判断结果
     * @Exception 发生异常
     */
    public static int dayForWeek(String pTime) throws Exception {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        format.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.setTime(format.parse(pTime));
        int dayForWeek = 0;
        if (c.get(Calendar.DAY_OF_WEEK) == 1) {
            dayForWeek = 7;
        } else {
            dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
        }
        return dayForWeek;
    }


    /**
     * 过去N月的时间
     *
     * @param n
     * @return
     */
    public static String getMonthStarTime(int n) {
        SimpleDateFormat format = new SimpleDateFormat(DateUtil.YYYYMMDD);
        format.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.setTime(new Date());
        c.add(Calendar.MONTH, -n);
        Date m = c.getTime();
        String mon = format.format(m);
        return mon;
    }

    /**
     * 过去N年的时间
     *
     * @param n
     * @return
     */
    public static String getYearStarTime(int n) {
        SimpleDateFormat format = new SimpleDateFormat(DateUtil.YYYYMMDD);
        format.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        c.setTime(new Date());
        c.add(Calendar.YEAR, -1);
        Date y = c.getTime();
        String year = format.format(y);
        return year;
    }

    private static void showCalendar() {

        int weekDayCount = 7;
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        int showMonth = calendar.get(Calendar.MONTH);

        calendar.set(Calendar.DAY_OF_MONTH, 1);
        int monthDayCount = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
        // 得到该月第一天是星期几 然后减去天数 那么就是第一个的日期
        int offsetDay = calendar.get(Calendar.DAY_OF_WEEK) - 1;
        calendar.add(Calendar.DAY_OF_MONTH, -offsetDay);

        int allDayCount = offsetDay + monthDayCount;
        // 最后一排显示的数量
        int lastRowCount = allDayCount % weekDayCount;
        // 显示的数量
        int showCount;
        if (lastRowCount != 0) {
            showCount = allDayCount + weekDayCount - lastRowCount;
        } else {
            showCount = allDayCount;
        }

        for (int i = 0; i < showCount; i++) {

            int itemYear = calendar.get(Calendar.YEAR);
            int itemMonth = calendar.get(Calendar.MONTH);


            int day = calendar.get(Calendar.DAY_OF_MONTH);
            // 如果不是对应月
            if (itemMonth != showMonth) {
                System.out.print(day);
            } else {
                System.out.print(day);
            }
            System.out.print(" ");
            if ((i + 1) % 7 == 0) {
            }
            calendar.add(Calendar.DAY_OF_YEAR, 1);
        }
    }

    /**
     * 根据年，周获取周的开始时间
     * @param year
     * @param weekNo
     * @return
     */
    public static String getStartDayOfWeekNo(int year,int weekNo){
        Calendar cal = getCalendarFormYear(year);
        cal.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal.set(Calendar.WEEK_OF_YEAR, weekNo);
        return cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) + "-" +
                cal.get(Calendar.DAY_OF_MONTH);

    }

    /**
     * 根据年，周获取周的结束时间
     * @param year
     * @param weekNo
     * @return
     */
    public static String getEndDayOfWeekNo(int year,int weekNo){
        Calendar cal = getCalendarFormYear(year);
        cal.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        cal.set(Calendar.WEEK_OF_YEAR, weekNo);
        cal.add(Calendar.DAY_OF_WEEK, 6);
        return cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) + "-" +
                cal.get(Calendar.DAY_OF_MONTH);
    }

    /**
     * 获取当月第一天时间
     * @return
     */
    public static String getMonthOne(){
        Calendar cale = Calendar.getInstance();
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        String firstday;
        // 获取前月的第一天
        cale = Calendar.getInstance();
        cale.add(Calendar.MONTH, 0);
        cale.set(Calendar.DAY_OF_MONTH, 1);
        return format.format(cale.getTime());
    }

    /**
     * 获取两个日期之间的所有日期
     * @param startTime 开始日期
     * @param endTime 结束日期
     * @return
     */
    public static List<String> getDayList(String startTime, String endTime) {
        // 返回的日期集合
        List<String> days = new ArrayList<String>();
        DateFormat dateFormat = new SimpleDateFormat(DateUtil.YYYYMMDD2);
        try {
            Date start = dateFormat.parse(startTime);
            Date end = dateFormat.parse(endTime);

            Calendar tempStart = Calendar.getInstance();
            tempStart.setTime(start);

            Calendar tempEnd = Calendar.getInstance();
            tempEnd.setTime(end);
            tempEnd.add(Calendar.DATE, +1);// 日期加1(包含结束)
            while (tempStart.before(tempEnd)) {
                days.add(dateFormat.format(tempStart.getTime()));
                tempStart.add(Calendar.DAY_OF_YEAR, 1);
            }
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return days;
    }

}
